.poster-main{
	width: 800px;
	height: 270px;
	position: relative;
}

.poster-main .poster-list{
	width: 800px;
	height: 270px;
}

.poster-main .poster-list .poster-item{
	list-style-type: none;
	position: absolute;
	left: 0;
	top: 0;
}

.poster-main .poster-list .poster-item img{
	display: block;
	width: 100%;
}

.poster-main .btn{
	width: 100px;
	height: 270px;
	position: absolute;
	top: 0;
	z-index: 10;
	cursor: pointer;
	background: red;
	opacity: 0.8;
}

.poster-main .prev-btn{
	left: 0;
	background: url(../img/btn_l.png) no-repeat center center;
}

.poster-main .next-btn{
	right: 0;
	background: url(../img/btn_r.png) no-repeat center center;
}
